I'm (still...) working on a new test case for testing the NO_HZ_FULL
kernel feature available from Linux 3.10. This test code depends on a
tool that performs CPU isolation, which is a requirement for the
NO_HZ_FULL to work.

It was previously proposed that this tool, rt-tools, would be a git
submodule to ltp. That sounded good in the beginning, until I started
to think about cross-compile, altering install location, etc. Since
rt-tools uses cmake, and ltp uses autotools, there is no automatic
inheritance of configuration. It would therefore be easy to miss copying
some configuration from configure to the cmake invocation, causing
surprises.

Since the test case is not intended to be part of default, I suggest
the simple solution: Just document in the README file that this test
case requires that the rt-tools are built and installed before the test
case is run on target, and instructions how to get started with that.

Any objections?

/Mats

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